Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAHDQByUUdPNYe6x5S0vRpzhcq5HcOnCMS/ZrKxxKtEL9OYey8yKYY3X/G7Xfcd… (1,748 chars)"
  }
}